GTAC Observation Log 1. Date : 17/01/2021 2. Observation Sr. No. : 12811 3. Observer : Jayanta Roy, Apurba Bera, Surajit Mondal 4. Observer\'s Email : jroy@ncra.tifr.res.in, apurba@ncra.tifr.res.in, surajit@ncra.tifr.res.in 5. Project Name : Multi-band uGMRT observations of two repeating FRBs with periodic activities 6. Project Code : 39_066 7. Operator(s) : Pramod, Surender 8. Command File : /data1/gtac/cmd/jroy/39_066_17jan.cal.polar.py,, /data1/gtac/cmd/jroy/39_066_17jan.2.polar.py 9. LTA File : /gwbifrdata1/17jan/39_066_17jan2021_band4_gwb.lta, /gwbifrdata2/17jan/39_066_17jan2021_band5_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE/TGC 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 41666665 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.2165 28. LO5 -2 : 166.7835 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C02 : Feed jammed. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Jan 2021 17:00:00 - 17 Jan 2021 23:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 16 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : SUBA3 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : PA GPU_BM_INT : 32 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 8 GPU_VLT_BIT : 8 GPU_ENV : TRIAL -------------------------------- # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C01 C02 C04 C06 C10 C11 E02 S01 S02 S03 W01 Total=12 # BEAM-3:175 :: C00 C01 C02 C04 C06 C10 C11 E02 S01 S02 S03 W01 Total=12 # BEAM-4:130 :: C05 C09 C12 C13 C14 E03 E04 E05 E06 S04 S06 W02 W03 W04 W05 W06 Total=16 # BEAM-4:175 :: C05 C09 C12 C13 C14 E03 E04 E05 E06 S04 S06 W02 W03 W04 W05 W06 Total=16 16:00 - 18:00 : TGC Hung problem,corr config and command file error. -------------------------------- 18:11:11 : Started command file. 19:25:00 : C02 Released for observation. 23:00:00 : Stopped command file. --------------------------------